Home / 1,091,836.71-1,637,907.95-381,703.23

Finding the Fourth Proportional to 1,091,836.71, 1,637,907.95 and 381,703.23

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Solution

The fourth proportional to 1,091,836.71, 1,637,907.95 and 381,703.23 is: 572,608.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,836.71 : 1,637,907.95 = 381,703.23 : x
  2. Step 2: Convert to fraction form
    1,091,836.71/1,637,907.95 = 381,703.23/x
  3. Step 3: Cross multiply
    1,091,836.71x = 1,637,907.95 × 381,703.23
  4. Step 4: Simplify right side
    1,091,836.71x = 625,194,755,911.94
  5. Step 5: Solve for x
    x = 625,194,755,911.94/1,091,836.71
  6. Step 6: Final answer
    x = 572,608.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.